Morphology Data of Hyporhamphus dussumieri
Identification keys
Main Ref. Collette, B.B., 1999
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features striking type of mouth
Body shape lateral elongated
Cross section oval
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout lower jaw greatly elongated
Position of mouth superior

Prolonged, beak-like lower jaw, contained in 4.2-5.9 times in SL and 0.95-1.4 times in head length; upper jaw short, triangular, and scaly, its width 0.6-0.9 times in its length; length of preorbital bone contained in 1.7-2.2 times in diameter of orbit and 1.0-1.4 times in length of upper jaw. Total number of gill rakers on first arch 33-47; dorsal and anal fin rays 14-16. Caudal fin forked, with lower lobe longer than upper (Ref. 9843).

Description: Characterized by greenish color dorsally and silvery white ventrally with red fleshy tip on lower jaw; depth of body about 6.7 in SL; well developed anterior lobe of dorsal fin; body width contained 1.1-1.3 in its depth (Ref. 90102).

Ease of Identification

Meristic characteristics of Hyporhamphus dussumieri

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels 0
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 26 - 32
on upper limb 10 - 14
total 33 - 47
preanal 38 - 42
total 56 - 60


Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 14 - 16
Adipose fin absent

Caudal fin

Attributes forked; asymmetric

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 14 - 16

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   11 - 12
Pelvics Attributes  more or less normal
Spines     0
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
Modified by Valdestamon, Roxanne Rei
Comments & Corrections
Sign our Guest Book
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17